Table 1.
Characteristics of Participants with High and low Levels of Response (LR) to Alcohol (Mean and Standard Deviations)
| Low LR (n=58) M (SD) |
High LR (n=58) M (SD) |
t-statistic or χ2 | |
|---|---|---|---|
| Age (years) | 19.8 (1.47) | 20.1(1.51) | −1.0 (p=0.31) |
| % Female (n) | 52.6% | 52.6% | 0 (p=1.0) |
| Years of education completed | 13.6 (1.1) | 13.6 (1.2) | −0.08 (p=0.93) |
| Height (inches) | 68.3 (4.0) | 68.3 (4.1) | 0.0 (p=1.0) |
| Weight (pounds) | 156.2 (26.2) | 155.3 (25.6) | 0.18 (p=0.86) |
| Days/month used alcohol a | 4.5 (4.6) | 3.5 (3.7) | 1.31 (p=0.19) |
| Usual drinks per occasion past 6 mo *a | 4.1 (1.8) | 3.3 (1.8) | 2.31 (p=0.02) |
| Days/month of tobacco use past 6 mo a | 0.8 (1.3) | 2.2 (4.2) | −0.70 (p=0.48) |
| Tobacco units/occasion past 6 mo a | 0.3 (0.5) | 0.2 (0.5) | 0.56 (p=0.58) |
| % Ever used cannabis | 59.2% | 46.9% | 1.48 (p=0.23) |
| Lifetime cannabis use occasions | 29.1 (77.9) | 22.6 (84.7) | 0.42 (p=0.67) |
| BAC at 60 minutes (mg/dL) | 0.06 (0.02) | 0.06 (0.02) | −0.51 (p=0.60) |
*
p < 0.05
a
= data for prior 6 months